Home / 129,346,378.90-194,019,568.35-88,531,710.10

Finding the Fourth Proportional to 129,346,378.90, 194,019,568.35 and 88,531,710.10

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Solution

The fourth proportional to 129,346,378.90, 194,019,568.35 and 88,531,710.10 is: 132,797,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,346,378.90 : 194,019,568.35 = 88,531,710.10 : x
  2. Step 2: Convert to fraction form
    129,346,378.90/194,019,568.35 = 88,531,710.10/x
  3. Step 3: Cross multiply
    129,346,378.90x = 194,019,568.35 × 88,531,710.10
  4. Step 4: Simplify right side
    129,346,378.90x = 17,176,884,178,889,334
  5. Step 5: Solve for x
    x = 17,176,884,178,889,334/129,346,378.90
  6. Step 6: Final answer
    x = 132,797,565.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.